CN212731380U

CN212731380U - Back-flushing test device of filter element

Info

Publication number: CN212731380U
Application number: CN202021289610.5U
Authority: CN
Inventors: 苑凤珍; 黄全玉
Original assignee: Shenzhen Watsun Filters System Co ltd
Current assignee: Shenzhen Watsun Filters System Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-03-19
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a back flushing test device of a filter element, which comprises a placing box for placing the filter element, an air flow assistor for storing high-pressure gas and air injection, and a spray pipe arranged at the air outlet end of the air flow assistor; a placing frame for placing the filter element is arranged on the inner side of the placing box; an air inlet is formed in the position, close to the placing frame, of the placing box, and when the filter element is placed on the placing frame, an inner cavity of the filter element corresponds to the air inlet; the air inlet is arranged in the air outlet direction of the spray pipe. The utility model discloses the filter core is placed on the rack, and the high-pressure gas of air flow assistor is followed the spray tube blowout, and the end of giving vent to anger of spray tube is relative with the air inlet, can carry out the blowback to the filter core like this for the filtration thing separation on the filter core. The utility model discloses simple structure can simulate the in-service use operating mode, and the filter core of co-altitude not can be adapted to pressure, the blowback number of times of adjustable blowback system.

Description

Back-flushing test device of filter element

Technical Field

The utility model belongs to the technical field of test device technique and specifically relates to a blowback test device of filter core that says so.

Background

The air filter used on the combustion chamber air inlet system of the gas turbine power plant has a back-blowing system in the use process of the gas turbine air inlet chamber, when the filter element is used for a certain time, the resistance of the filter element can rise, the filter element needs to be back-blown from inside to outside by gas, impurities and dust on the surface of the filter element drop in a back-blowing mode, the resistance of the filter element is reduced, the service life of the filter element is prolonged, and the air filter is an important index for judging the performance of the filter element. In order to simulate the back flushing effect in the actual use process of the filter element, the filter element needs to be tested for many times, so that the optimal technical scheme of the filter element is obtained. The prior equipment technology is immature, the actual back flushing state of the filter element cannot be simulated, and reliable parameters cannot be provided for the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a blowback test device of filter core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a back flushing test device of a filter element comprises a placing box for placing the filter element, an air flow assistor for storing high-pressure gas and air injection, and a spray pipe arranged at the air outlet end of the air flow assistor; a placing frame for placing the filter element is arranged on the inner side of the placing box; an air inlet is formed in the position, close to the placing frame, of the placing box, and when the filter element is placed on the placing frame, an inner cavity of the filter element corresponds to the air inlet; the air inlet is arranged in the air outlet direction of the spray pipe.

The further technical scheme is as follows: the placing box comprises a supporting frame and a box body arranged on the supporting frame; the air inlet is arranged on one side surface of the box body; the placing rack is arranged on the inner side of the box body.

The further technical scheme is as follows: an opening door is arranged on one side surface of the box body far away from the air inlet.

The further technical scheme is as follows: and one side of the box body is provided with an observation glass window.

The further technical scheme is as follows: the rack is the toper structure to be suitable for the filter core of different sizes.

The further technical scheme is as follows: the placing frame comprises a first connecting rod, a second connecting rod and a third connecting rod; and one ends of the first connecting rod, the second connecting rod and the third connecting rod are arranged close to the air inlet, and the other ends of the first connecting rod, the second connecting rod and the third connecting rod are fixed at the fixed points to form a conical structure.

The further technical scheme is as follows: the fixing point is located in the axial direction of the air inlet.

The further technical scheme is as follows: the spray pipe is of an arc-shaped structure, and the air outlet direction is parallel to or coincided with the axis of the air inlet.

The further technical scheme is as follows: the air outlet end of the spray pipe is of a conical structure.

The further technical scheme is as follows: the air outlet end of the spray pipe is provided with an adjusting component for adjusting the air outlet direction; the adjusting assembly comprises a connecting frame fixed at the air outlet end of the spray pipe and a direction block connected with the connecting frame; the direction block is of a conical structure, and the small end of the conical structure is close to the air outlet end of the spray pipe; the direction block is provided with an inner hole.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses the filter core is placed on the rack, and the high-pressure gas of air flow assistor is followed the spray tube blowout, and the end of giving vent to anger of spray tube is relative with the air inlet, can carry out the blowback to the filter core like this for the filtration thing separation on the filter core. The utility model discloses simple structure can simulate the in-service use operating mode, and the filter core of co-altitude not can be adapted to pressure, the blowback number of times of adjustable blowback system.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

FIG. 1 is a three-dimensional structure diagram of a back-flushing test device for a filter element of the present invention;

FIG. 2 is a perspective view of the reverse blowing testing apparatus of a filter element according to the present invention;

FIG. 3 is a front view and a partial enlarged view of a back-flushing testing device for a filter element according to the present invention;

fig. 4 is the structure diagram of the inside of the box for placing the back flushing test device of the filter element of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Drawings 1 to 4 are drawings of the utility model.

The present embodiment provides a back-blowing test device for a filter element, please refer to fig. 1 to 4, which includes a placing box 10 for placing the filter element, an air flow promoter 20 for storing high-pressure air and air injection, and a nozzle 30 disposed at an air outlet end of the air flow promoter 20. The inner side of the placing box 10 is provided with a placing frame 11 for placing the filter element. Placing box 10 is close to rack 11 and is equipped with air inlet 12, and when the filter core was placed in rack 11, the inner chamber of filter core and air inlet 12 correspond for the gas of the end of giving vent to anger of spray tube 30 can blow into the filter core inner chamber. The gas inlet 12 is arranged in the direction of the outlet of the lance 30.

The high pressure gas stored in the air flow promoter 20 is discharged from the nozzle 30 and then blown into the inner cavity of the filter element through the air inlet 12, so that the filtered matter outside the filter element can be effectively removed.

The placing box 10 comprises a supporting frame 101 and a box body 102 arranged on the supporting frame 101. The air inlet 12 is provided on one side of the case 102. The rack 11 is disposed inside the case 102.

In other embodiments, the supporting frame 101 may be a telescopic frame, which facilitates the height adjustment of the box 102.

An opening door 103 is arranged on one side surface of the box body 102 far away from the air inlet 12, so that a filter element can be conveniently taken and placed or filtered substances in the box body 102 can be conveniently cleaned. The filter element is put in from the opening door 103 at the rear end, and after the filter element is fixed, the opening door 103 is closed to work.

In other embodiments, a cleaning opening or door is disposed at the lower end of the box 102 to facilitate cleaning of the filtered material.

Preferably, an observation glass window 104 is arranged on one side of the box body 102, so that the cleaning condition of the filter element can be conveniently judged.

The placing frame 11 is of a conical structure and is suitable for filter elements with different sizes. The inner chamber of filter core is inserted on rack 11, then admits air from air inlet 12 for the inner chamber of air admission filter core, and then can clear up the filter core.

Specifically, the placing frame 11 includes a first connecting rod 111, a second connecting rod 112, and a third connecting rod 113. The first connecting rod 111, the second connecting rod 112 and the third connecting rod 113 are disposed close to the intake port 12 at one end (i.e., arranged along the circumferential direction of the intake port 12), and are fixed at the other end to a fixing point 114 provided thereto, so as to form a tapered structure.

The fixing point 114 is located axially of the air inlet 12 and ensures that the direction of air inlet falls within the interior of the filter element.

The nozzle 30 is of an arc-shaped structure, and the air outlet direction is parallel to or coincident with the axis of the air inlet 12, so that the filter element can be uniformly cleaned by air inlet.

Preferably, the air outlet end of the nozzle 30 is of a conical structure, and the small end of the conical structure is used for exhausting air, so that the air outlet convergence is increased.

In other embodiments, in order to meet different requirements, the outlet end of the nozzle 30 is provided with an adjusting assembly 31 for adjusting the outlet direction. The adjusting assembly 31 includes a connecting frame 311 fixed to the outlet end of the nozzle 30, and a direction block 312 connected to the connecting frame 311. The direction block 312 is a tapered structure, and the small end of the tapered structure is close to the air outlet end of the nozzle 30. The direction block 312 is provided with an inner hole, and the gas at the gas outlet end of the nozzle 30 passes through the inner hole of the direction block 312 and is sprayed towards the placing box 10. The angle between the direction block 312 and the connecting frame 311 is adjusted to achieve the goal of the direction adjustment of the outgas. The direction block 312 has a certain distance with the air outlet end of the spray pipe 30, which is about 20mm to 50mm, so that a part of the air outlet of the spray pipe 30 is guided to the placing box 10 from the outer side of the conical small end of the direction block 312, and a part of the air of the spray pipe 30 is blown to the outer side of the placing box 10, so that the filter matters cleaned by the filter element can be basically fixed in the box body 102, the backflushed air is prevented from carrying the filter matters out, and the cleanness of the environment is ensured.

Specifically, both sides of the direction block 312 are connected to the connecting frame 311, and after the required direction is adjusted, the direction block 312 is fixed to the connecting frame 311 by screws.

The connecting frame 311 is provided at both sides of the air outlet end of the nozzle 30, the inner hole of the direction block 312 faces the air outlet end of the nozzle 30, and the angle of the direction block 312 is adjusted, so that the air outlet direction can be adjusted.

The air flow aid 20 can control the air outlet time, times and the like through the electromagnetic valve, and back blow is carried out on the filtered matter outside the filter element, so that the filtered matter can be separated under strong clear flow, the structure of the filter element is not damaged, and then the filter element is taken down for analysis.

Compared with the prior art, the utility model discloses the filter core is placed on rack 11, and the high-pressure gas of air flow assistor 20 is followed spray tube 30 blowout, and the end of giving vent to anger of spray tube 30 is relative with air inlet 12, can carry out the blowback to the filter core like this for the filtration thing separation on the filter core. The utility model discloses simple structure, the clearance is filtered the thing high-efficient and thoroughly, and is low to the filter core damage degree, can adapt to different filter cores. Moreover, the device can simulate the actual use working condition, can adjust the pressure and the blowback frequency of a blowback system, and can adapt to filter elements with different heights.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A back flushing test device of a filter element is characterized by comprising a placing box for placing the filter element, an air flow assistor for storing high-pressure gas and air injection, and a spray pipe arranged at the air outlet end of the air flow assistor; a placing frame for placing the filter element is arranged on the inner side of the placing box; an air inlet is formed in the position, close to the placing frame, of the placing box, and when the filter element is placed on the placing frame, an inner cavity of the filter element corresponds to the air inlet; the air inlet is arranged in the air outlet direction of the spray pipe.

2. The back flushing test device for the filter element according to claim 1, wherein the placing box comprises a supporting frame and a box body arranged on the supporting frame; the air inlet is arranged on one side surface of the box body; the placing rack is arranged on the inner side of the box body.

3. A back-blowing test device for a filter cartridge according to claim 2, wherein an opening door is provided on a side of the box body away from the air inlet.

4. A back flushing test device for a filter cartridge according to claim 2, wherein an observation glass window is provided at one side of the box.

5. A filter element blowback test apparatus as claimed in claim 1 wherein said rack is of a conical configuration to accommodate different sizes of filter elements.

6. The reverse blowing test device for the filter element according to claim 5, wherein the placing frame comprises a first connecting rod, a second connecting rod and a third connecting rod; and one ends of the first connecting rod, the second connecting rod and the third connecting rod are arranged close to the air inlet, and the other ends of the first connecting rod, the second connecting rod and the third connecting rod are fixed at the fixed points to form a conical structure.

7. A back blow test device for a filter cartridge according to claim 6 wherein the attachment point is located axially of the air inlet.

8. The reverse blowing test device for the filter element according to claim 1, wherein the nozzle is of an arc structure, and the air outlet direction is parallel to or coincident with the axis of the air inlet.

9. The reverse blow test device for the filter element according to claim 1, wherein the air outlet end of the nozzle is of a conical structure.

10. The back flushing test device for the filter element according to claim 1, wherein the air outlet end of the nozzle is provided with an adjusting component for adjusting the air outlet direction; the adjusting assembly comprises a connecting frame fixed at the air outlet end of the spray pipe and a direction block connected with the connecting frame; the direction block is of a conical structure, and the small end of the conical structure is close to the air outlet end of the spray pipe; the direction block is provided with an inner hole.